Created
February 9, 2021 15:11
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render multi-row scatter graph
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import numpy as np | |
import seaborn as sns | |
import matplotlib.pyplot as plt | |
import pandas | |
# 多次元配列をつくる | |
x_tensor = np.random.uniform(size=(3, 10, 2), low=1.0, high=20) | |
# | |
mark_value = [2.5, 5.5] | |
# 散布図の最大値、最小値を決定 | |
history_x_lim = [np.min(x_tensor[:, :, 0].flatten()), | |
np.max(x_tensor[:, :, 0].flatten())] | |
history_y_lim = [np.min(x_tensor[:, :, 1].flatten()), | |
np.max(x_tensor[:, :, 1].flatten())] | |
if mark_value[0] < history_x_lim[0]: | |
history_x_lim[0] = mark_value[0] | |
elif history_x_lim[1] < mark_value[1]: | |
history_x_lim[1] = mark_value[1] | |
if mark_value[1] < history_y_lim[0]: | |
history_y_lim[0] = mark_value[1] | |
elif history_y_lim[1] < mark_value[1]: | |
history_y_lim[1] = mark_value[1] | |
fig, axes = plt.subplots(nrows=len(x_tensor), ncols=1) | |
for n_iter, matrix_at_n in enumerate(x_tensor): | |
df_theta_history = pandas.DataFrame(matrix_at_n, columns=['x', 'y']) | |
df_theta_history['label'] = 'points' | |
df_theta_history = df_theta_history.append(pandas.Series(mark_value + ['*'], | |
index=['x', 'y', 'label'], | |
name='mark')) | |
axes[n_iter].set(xlim=history_x_lim, ylim=history_y_lim) | |
sns.scatterplot(x='x', y='y', data=df_theta_history, hue='label', ax=axes[n_iter]) | |
axes[n_iter].set_title(f'Theta distribution at N = {n_iter}') | |
fig.savefig('plot_practice.png') |
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